[gtk+] inspector: Add a button to clear all recordings

[Benjamin Otte <otte src gnome org>]

commit 72a9c532620e42f2381b62c592327af5082e6790
Author: Benjamin Otte <otte redhat com>
Date:   Tue Nov 1 18:32:50 2016 +0100

    inspector: Add a button to clear all recordings
    
    Clears the recordings list, and even better: Frees all your memory.

 gtk/inspector/recorder.c  |   11 +++++++++++
 gtk/inspector/recorder.ui |    7 +++++++
 2 files changed, 18 insertions(+), 0 deletions(-)
---
diff --git a/gtk/inspector/recorder.c b/gtk/inspector/recorder.c
index 126118f..6da2e6f 100644
--- a/gtk/inspector/recorder.c
+++ b/gtk/inspector/recorder.c
@@ -20,6 +20,7 @@
 
 #include "recorder.h"
 
+#include <gtk/gtkbutton.h>
 #include <gtk/gtklabel.h>
 #include <gtk/gtklistbox.h>
 #include <gtk/gtktreeselection.h>
@@ -60,6 +61,15 @@ static GParamSpec *props[LAST_PROP] = { NULL, };
 
 G_DEFINE_TYPE_WITH_PRIVATE (GtkInspectorRecorder, gtk_inspector_recorder, GTK_TYPE_BIN)
 
+static void
+recordings_clear_all (GtkButton            *button,
+                      GtkInspectorRecorder *recorder)
+{
+  GtkInspectorRecorderPrivate *priv = gtk_inspector_recorder_get_instance_private (recorder);
+
+  g_list_store_remove_all (G_LIST_STORE (priv->recordings));
+}
+
 static void 
 recordings_list_row_selected (GtkListBox           *box,
                               GtkListBoxRow        *row,
@@ -209,6 +219,7 @@ gtk_inspector_recorder_class_init (GtkInspectorRecorderClass *klass)
   gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorRecorder, render_node_view);
   gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorRecorder, render_node_tree);
 
+  gtk_widget_class_bind_template_callback (widget_class, recordings_clear_all);
   gtk_widget_class_bind_template_callback (widget_class, recordings_list_row_selected);
   gtk_widget_class_bind_template_callback (widget_class, render_node_list_selection_changed);
 }
diff --git a/gtk/inspector/recorder.ui b/gtk/inspector/recorder.ui
index 4317d04..ed7e4b6 100644
--- a/gtk/inspector/recorder.ui
+++ b/gtk/inspector/recorder.ui
@@ -17,6 +17,13 @@
                 <property name="active" bind-source="GtkInspectorRecorder" bind-property="recording" 
bind-flags="bidirectional|sync-create"/>
               </object>
             </child>
+            <child>
+              <object class="GtkButton">
+                <property name="visible">True</property>
+                <property name="icon-name">edit-clear-all</property>
+                <signal name="clicked" handler="recordings_clear_all"/>
+              </object>
+            </child>
           </object>
         </child>
         <child>